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If the mass of the Earth is decreased by...

If the mass of the Earth is decreased by 10% keeping it size constant, how is the weight of a body on the Earth affected?

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Knowledge Check

  • If the radius of the earth is made three times, keeping the mass constant, then the weight of a body on the earth's surface will be as compared to its previous value is

    A
    one third
    B
    one ninth
    C
    three times
    D
    nine times

  • The weight of a body on the earth's surface = ……………

    A
    `(GMm)/(R)`
    B
    `(GMm)/(R^(2))`
    C
    `GMmR^(2)`
    D
    `(GM)/(R^(2))`

  • If both the mass and radius of the earth decrease by 1% the value of

    A
    acceleration due to gravity would decrease by nearly `1%`
    B
    acceleration due to gravity would increase by `1%`
    C
    escape velocity from the earth's surface would decrease by `1%`
    D
    the gravitational potential energy of a body on earth's surface will remain unchanged

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